Picking holes: Self-assembly of germanium chalcogenide clusters in the presence of metal ions is a new and promising approach to the synthesis of porous semiconducting networks. Even monolithic highly porous aerogels with high internal surface areas can be prepared by sol–gel processing of anionic [GeQ4]4−, [Sn2Q6]4−, or [Ge4Q10]4− clusters (Q=Se, S) in the presence of Pt2+ (see scheme).
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Nicola Hüsing (2008) studied this question.
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